Question about 1999 Volkswagen Passat
Hi, I think I may need to replace my 2001 vw alternator, 2.8L 6 cyl. light came on "alternator workshop" came
on about 2 times then the ABS light flashed on once.
then 2 days later battery needed to be boosted to get the car started.
big expense, alternator about 400$, dealer wants 600$ it is also buried at the botom of the engine compartment,
not sure if I can get it out with my limited tools and knowledge of this car etc. therefore another 400$ in labour as
any suggestions? appreciated, or site showing the complexity of removal of alternator.
Turn off radio to keep from losing code.remove negative battery cable.disconnect wires from alternator .mark wires with tape to be sure they go back in the same place.loosen belt tension remove belt .if you have VR6-AAA-ENGINE remove the belt tensionsr from cylinder head .remove alternator adjustment bolt followed by pivot bolts .slowly lift alternator from bracket.smile take a deep breath dont need many tools.all you need is the basic tools. basic 3/8 socket set and open -close box end wrenches 13 up to 18 metrics.
Posted on May 29, 2009
So far, so good. After making sure the battery has water,,make sure your posts are clean. Check your battery voltage, engine off. Charge your battery with a battery charger, so when you start the vehicle your alternator doesn't doesn't jump into full carge instantly. Then start the engine and check the battery voltage again.Came up but very littke, correct? It tends to want to hover around 13.4. Here is a tip. The lower th e voltage the higher the ampereage If you get a reading with engine running of 12 v ot lower your alternator is pouring the coals to the batttery and that won't last may 15 minutes and rge alt, will be junk. Proper charging voltage is 13.6 to 24.2 volts.
Below 13.6 = too high alt output
Above 24.2 = alt outputis too low -At 15v your bat will boil (no amps but alot of volts)
So you want a reading of 13.6 to 24.2 and everyone is happy. A two yr. old battery in you location may be at fault because of freezing potential. Ck the charging voltage about every five minutes car running. If it doesn't ease up, The battery iis questionable.the battery shoiul be load tested. Right now alt output is our concern. See what you have and get back to me,K? Ned
Posted on May 28, 2009
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Posted on Jan 02, 2017
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